Grolier Online has created this resource from its collection of print articles in Encyclopedia Americana. Contains a full biography, written by Robert J. Huckshorn of Florida Atlantic University and revised by Donald Young, author of American Roulette: The History and Dilemma of the Vice Presidency, along with suggestions for further reading.

From the Miller Center of Public Affairs at the University of Virginia, in addition to information on the Presidents themselves, they have first lady and cabinet member biographies, listings of presidential staff and advisers, and timelines detailing significant events in the lives of each administration.